/*
 * Copyright (c) 2003-2010, Live Media Pty. Ltd.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted
 * provided that the following conditions are met:
 *
 *  1. Redistributions of source code must retain the above copyright notice, this list of
 *     conditions and the following disclaimer.
 *  2. Redistributions in binary form must reproduce the above copyright notice, this list of
 *     conditions and the following disclaimer in the documentation and/or other materials
 *     provided with the distribution.
 *  3. Neither the name of Live Media nor the names of its contributors may be used to endorse
 *     or promote products derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package com.argot.common;

import java.io.IOException;

import com.argot.TypeException;
import com.argot.TypeInputStream;
import com.argot.TypeOutputStream;
import com.argot.TypeReader;
import com.argot.TypeWriter;

public class IEEEDouble 
{
	public static final String TYPENAME = "double";	
	public static final String VERSION = "1.3";
	
	public static class Reader
	implements TypeReader
	{
		public Object read(TypeInputStream in)
		throws TypeException, IOException 
		{
			int a,b,c,d,e,f,g,h;
			
			a = in.getStream().read(); //56  
			b = in.getStream().read(); //48
			c = in.getStream().read(); //40
			d = in.getStream().read(); //32
			e = in.getStream().read(); //24
			f = in.getStream().read(); //16
			g = in.getStream().read(); //8
			h = in.getStream().read(); //0
				
			long value = (((long)a << 56) + ((long)b << 48) + ((long)c << 40) + ((long)d << 32) + ((long)e << 24) + ((long)f << 16) + ((long)g<<8) + (long)h);

			return new Double( Double.longBitsToDouble(value));
		}
	}
	
	public static class Writer
	implements TypeWriter
	{
		public void write(TypeOutputStream out, Object o)
		throws TypeException, IOException 
		{
			int a,b,c,d,e,f,g,h;
			
			if ( !(o instanceof Double) )
				throw new TypeException( "ieee.double: requires Double" );
			
			Double dble = ((Double) o);
			long s = Double.doubleToRawLongBits(dble.doubleValue());
			
			a = (int)((s >> 56) & 0xff);
			b = (int)((s >> 48) & 0xff);
			c = (int)((s >> 40) & 0xff);
			d = (int)((s >> 32) & 0xff);
			e = (int)((s >> 24) & 0xff);
			f = (int)((s >> 16) & 0xff);
			g = (int)((s >> 8) & 0xff);
			h = (int)(s & 0xff);
			
			out.getStream().write( a );
			out.getStream().write( b );
			out.getStream().write( c );
			out.getStream().write( d );
			out.getStream().write( e );
			out.getStream().write( f );
			out.getStream().write( g );
			out.getStream().write( h );			
		}
	}
		
}
